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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0248449 (1994-05-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 42 인용 특허 : 0 |
A retractable step including at least a first and second tube member, a step platform and a retraction device. The first tube member is attached to the vehicle. The step platform is attached to one end of the second tube member. The second tube member, with the step platform, is slidable over the fi
A retractable step comprising: a first tube member having a first end and a second end, said second end attachable to a vehicle: a second tube member slidable over said first end of said first tube member, having a first tube section and a second tube section, said first and second tube sections eac
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